LS ELECTRIC SV-iS7 Series, User Manual

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Using Monitor Functions
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9.2 Monitoring Fault Status Using Keypad
Trip mode displays the fault status when a fault trip occurs during inverter operation. You can
monitor the fault types, operating frequency, and output current at the time of fault trip. Up to
the last 5 fault trips can be saved.
9.2.1 Monitoring Current Fault Status
When a fault trip occurs, the fault type is displayed o n the keypad’s display.
For more details on types and descriptions of fault trips, refer to 12.2 Warning Messages on
page 391 . The following operating status can be monitored and recorded.
Displayed Information Description
1 Output Freq Displays the operating frequency at the time of the fault trip.
2 Output Current Displays the output current at the time of the fault trip.
3 Inverter State
Displays acceleration, deceleration, constant speed operation, and stop
state.
4 DCLink Voltage Displays the i nverter’s DC power voltage .
5 Temperature Displays the i nverter’s temperature .
6 Input State Displays the input terminal’s status .
7 Output State Displays the output terminal’s status .
8 Trip On Time Displays the time from the power ON to the fault trip.
9 Trip Run Time Displays the time from Run to the fault trip.
If you press the [STOP/RESET] key on the keypad or input the reset terminal of the terminal
block to release the fault trip, the information for the currently displayed fault trip is saved as
part of the fault trip history. In this case, what was saved in the Fault Trip History 1 (Last-1) is
moved to the Failure History 2 (Last-2).
The number next to the fault trip name represents the number of simultaneously occurring
faults. If more than one fault occurred, you can press the [PROG/ENT] key to view the other
faults.